I-pill and bleeding

Patient : Sir,me nd my gf had sex on 29 dec. Nd i ejaculate inside her for 3 times. Then after 14 hrs. She took i-pill. And after seven days 5th january she started bleeding. Her LMP was on 13 dec. Nd expected next period due date is 13 to 16th january. So wht this bleeding is? Nd is therd any chances of pregnancy? Is it period or sumthing else. Plzhelp me.
and now she is still bleeding from 5th jan. what this bleeding is? is it dangerous or normal?when she should need to take home pregnancy test? is there any chances of getting pregnant even after taking i-pill within 15 hours? plz help.... thank u

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